Ramsden eye-piece consists of

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Question:
  
Ramsden eye-piece consists of

1.two convex lenses short distance apart

2.two concave lenses short distance apart

3.one convex lens and one concave lens short distance apart

4.two plano-convex lenses short distance apart, with the convex surfaces facing each other.

Posted Date:-2021-03-26 07:56:27

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